# Voice port adapter POLY ATA 402 2FXS VoIP adapter with Open SIP, G.711/OPUS, DC power, 100–240V AC input

**URL:** https://aio.lv/en/product--hp-8f3h5aaac3--10968344
**Data updated:** 2026-01-17 09:45 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** HP
**Manufacturer code:** 8F3H5AA#AC3
**EAN:** 5715063349427
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 124.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 103.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-8f3h5aaac3--10968344

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

POLY ATA 402 is a 2FXS voice port VoIP adapter supporting Open SIP and SIPv2 for connecting analog phones to IP networks. It supports voice codecs G.711 alaw and OPUS, is FCC and CE certified, and accepts DC power with 100–240 V AC input at 50/60 Hz. Compact (96×96×22 mm), it is suitable for small offices or home VoIP deployments and includes a power supply.

## Long description

POLY ATA 402 is a compact 2FXS voice port VoIP adapter that converts existing analog phones into IP phones using Open SIP and SIPv2. It supports G.711 (alaw) and OPUS codecs and enables VoIP access without requiring an Ethernet connection or Wi‑Fi, allowing you to keep legacy handsets while integrating them into an IP telephony environment. The device accepts DC power and includes an AC power supply compatible with 100–240 V, 50/60 Hz. Its small footprint makes it suitable for home offices and small business deployments.
Advantages
The adapter provides a sustainable and cost‑effective way to migrate to VoIP by reusing existing analog phones and simplifying faxing and management. Support for Open SIP ensures interoperability with standard VoIP platforms, while G.711 and OPUS codecs deliver compatible voice quality across networks. Compact dimensions and included power supply allow easy installation in limited spaces.
Suitable for
Converting analog desk phones to IP for small offices
Home VoIP setups where existing handsets are retained
Fax over IP and mixed analog/IP telephony environments
Key specifications
Ports: 2 FXS voice ports for analog phone connection
Protocols: Open SIP, SIPv2
Voice codecs: G.711 (alaw), OPUS
Power: DC powered with included AC adapter (100–240 V, 50/60 Hz)
Dimensions: 96 × 96 × 22 mm
Certifications: FCC and CE
How to use
Connect an analog phone to one of the FXS ports and link the adapter to your IP service according to your provider's SIP settings. Attach the supplied AC power adapter to power the unit. Configure SIP account parameters (server, username, password, transport) using the device's web interface or provisioning method recommended by your VoIP provider. Verify codec preferences and any fax passthrough settings as required.
Usage recommendations
For reliable operation, use with a compatible SIP service or PBX and confirm codec support (G.711 or OPUS) on the server side. Place the adapter where it has easy access to analog handsets and the network provisioning device; avoid exposing the unit to extreme temperatures or moisture.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.085 kg |
| Certification | FCC part 15 (CFR 47) class B, CE |
| Operating relative humidity (H-H) | 5 - 95 |
| Storage temperature (T-T) | -40 - 70 |
| Package weight | 300 g |
| Operating temperature (T-T) | 0 - 40 |
| Height | 22 mm |
| Output voltage | 5 |
| Width | 96 mm |
| Depth | 96 mm |
| Voice codecs | G.711alaw, OPUS |
| VoIP protocols | SIPv2 |
| USB 2.0 ports quantity | 1 |
| Modem (RJ-11) ports | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Country of origin | China |
| Output current | 1 A |
| Package depth | 190 mm |
| Package height | 55 mm |
| Package width | 210 mm |
| Power source type | DC |
| AC input frequency | 50/60 |
| AC input voltage | 100-240 |

## FAQ

### How much does the POLY ATA 402 2FXS VoIP adapter cost, and is it available for purchase?

The price is 124.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10968344/61404038_large.webp